CN212550324U - Automatic glue sealing equipment - Google Patents
Automatic glue sealing equipment Download PDFInfo
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- CN212550324U CN212550324U CN202020686922.3U CN202020686922U CN212550324U CN 212550324 U CN212550324 U CN 212550324U CN 202020686922 U CN202020686922 U CN 202020686922U CN 212550324 U CN212550324 U CN 212550324U
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Abstract
The utility model relates to a glue equipment technical field, specifically disclose an automatic change and glue equipment, include: the jig assembly is used for fixing a product to be sealed; the heating device is used for compressing and heating the edge position of the product to be sealed, and a through groove is formed in the middle of the heating device; the lower end of the heat dissipation metal block extends into the through groove to be attached to the middle position of the product to be sealed; and the heat radiation fan is positioned above the heat radiation metal block and used for radiating the heat radiation metal block. The utility model provides an automatic change and glue equipment of sealing can satisfy the demand that border position temperature is higher than the intermediate position temperature when partial product seals the glue.
Description
Technical Field
The utility model relates to a glue equipment technical field, especially, relate to an automatic change and glue equipment.
Background
Referring to fig. 1, a plurality of products 1 to be sealed are bonded by using glue or the like by heating properly to enhance the bonding effect. For example, when the member to be bonded 102 is to be bonded to the body member 101, the steps are as follows:
firstly, putting the main body part 101 into a jig for fixing;
secondly, coating viscose on the main body part 101;
placing the part to be bonded 102 on the main body part 101;
and fourthly, the heating device 2 on the glue sealing equipment presses the part to be bonded 102 downwards, meanwhile, the part to be bonded 102 is heated, after a certain time, the adhesive is solidified, and glue sealing is finished.
In the above process, generally, the temperatures are equal at all places of the heating device 2, and therefore, the temperatures of the edge position 1021 and the intermediate position 1022 of the member to be bonded 102 are also approximately equal. However, in some products such as smartwatches, the temperature of the middle part 1022 of the member to be bonded 102 is often required to be slightly lower than that of the edge part 1021, and at this time, the conventional adhesive sealing equipment cannot meet such temperature requirement.
Therefore, the conventional sealing equipment needs to be improved to meet the requirement that the temperature of the edge position is higher than that of the middle position when part of products are sealed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic change and glue equipment of sealing, border position temperature is higher than the demand of intermediate position temperature when satisfying partial product and sealing glue.
For reaching the above purpose, the utility model provides an automatic change and glue equipment, include:
the jig assembly is used for fixing a product to be sealed;
the heating device is used for compressing and heating the edge position of the product to be sealed, and a through groove is formed in the middle of the heating device;
the lower end of the heat dissipation metal block extends into the through groove to be attached to the middle position of the product to be sealed;
and the heat radiation fan is positioned above the heat radiation metal block and used for radiating the heat radiation metal block.
Optionally, the heating device comprises:
the heat-conducting silica gel is positioned right above the edge position of the product to be sealed;
the heat conducting plate is fixedly connected with the heat conducting silica gel;
the heating wire, the heating wire is located the top of heat-conducting plate and with the heat-conducting plate contact is connected, is used for through the heat-conducting plate to heat conduction silica gel transfer heat.
Optionally, the heating device further comprises:
the top of the middle frame is provided with an upper positioning groove, and the bottom of the middle frame is provided with a lower positioning groove; the heat conducting plate is fixed in the lower positioning groove;
the pressing plate is fixed in the upper positioning groove, and the electric heating wire is positioned between the bottom of the upper positioning groove and the pressing plate;
and the upper cover is fixedly connected to the top of the middle frame.
Optionally, the device further comprises a connecting assembly and a driving mechanism for driving the connecting assembly to move up and down; the coupling assembling is located heating device and heat dissipation metal block's top, it includes:
the vertical plate is connected with the driving mechanism;
the transverse plate is fixedly connected with the vertical plate, and a ventilation hole is formed in the position, corresponding to the heat dissipation metal block, of the transverse plate;
the rib plate is located above the transverse plate, a mounting groove is formed in the middle of the rib plate, the cooling fan is fixed in the mounting groove, and the cooling metal block is cooled through the ventilation hole.
Optionally, the connection assembly further includes:
the lower end of the first guide pillar is fixedly connected with the heating device, and the upper end of the first guide pillar is connected with the transverse plate in a vertical sliding manner;
the first buffer spring is sleeved outside the first guide pillar and used for driving the heating device to slide downwards relative to the transverse plate.
Optionally, the connection assembly further includes:
the upper end of the second guide pillar is fixedly connected with the transverse plate, and the lower end of the second guide pillar is connected with the heat dissipation metal block in a vertical sliding mode;
and the second buffer spring is sleeved outside the second guide pillar and used for driving the heat dissipation metal block to slide downwards relative to the transverse plate.
Optionally, the drive mechanism comprises:
a cylinder;
the shell of the cylinder is fixedly connected with the fixed plate;
and the sliding plate is driven by the driving end of the air cylinder to be in up-and-down sliding connection with the fixing plate.
Optionally, be equipped with limit slip subassembly between slide and the coupling assembling, limit slip subassembly includes:
the first guide rail is fixed at the lower end of the sliding plate along the vertical direction;
one side of the first sliding block is fixedly connected with the connecting component, and the other side of the first sliding block is connected with the first guide rail in a sliding manner;
the first limiting block is fixed below the first sliding block and used for blocking the first sliding block to continuously slide downwards.
Optionally, still include the pressurize subassembly, the pressurize subassembly includes:
the counterweight block is positioned above the connecting component and is used for pressing the connecting component downwards;
the second guide rail is fixed at the upper end of the sliding plate along the vertical direction;
one side of the second sliding block is fixedly connected with the balancing weight, and the other side of the second sliding block is connected with the second guide rail in a sliding manner;
and the second limiting block is fixed below the second sliding block and used for blocking the second sliding block from continuously sliding downwards.
Optionally, one end of the heat dissipation metal block close to the heat dissipation fan is of a heat dissipation fin structure.
The beneficial effects of the utility model reside in that: the utility model provides an automatic change and glue equipment of sealing, will wait to seal the glue product and put on tool subassembly after, heating device compresses tightly the border position of waiting to seal the glue product and heats border position, and the lower extreme of heat dissipation metal block is laminated with the intermediate position of waiting to seal the glue product and takes the heat of waiting to seal the glue product intermediate position to the upper end of heat dissipation metal block, and this part heat is taken away by radiator fan finally to make the temperature of waiting to seal the glue product border position be higher than the temperature of intermediate position.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic diagram of a product to be sealed in the background art;
FIG. 2 is a schematic structural diagram of an automated sealing apparatus according to an embodiment;
FIG. 3 is a schematic side view of an exemplary automated molding apparatus;
FIG. 4 is a top schematic view of a connection assembly and heating device provided by an embodiment;
fig. 5 is a bottom schematic view of a connection assembly and a heating device provided by an embodiment;
fig. 6 is a schematic half-sectional view of a heating device according to an embodiment.
In the figure:
1. a product to be sealed is prepared; 101. a main body member; 102. a member to be bonded; 1021. edge position; 1022. a neutral position;
2. a heating device; 201. heat conducting silica gel; 202. a heat conducting plate; 203. an electric heating wire; 204. a middle frame; 205. pressing a plate; 206. an upper cover;
3. a jig component; 301. a product tank;
4. a heat-dissipating metal block; 401. a heat-dissipating fin structure;
5. a heat radiation fan;
6. a connecting assembly; 601. a vertical plate; 602. a transverse plate; 6021. a vent hole; 603. a rib plate; 604. a first guide post; 605. a first buffer spring 606, a second guide post; 607. a second buffer spring;
7. a drive mechanism; 701. a cylinder; 702. a fixing plate; 703. a slide plate;
801. a first guide rail; 802. a first slider; 803. a first stopper;
901. a balancing weight; 902. a second guide rail; 903. a second slider; 904. and a second limiting block.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have the specific orientation, operate in the specific orientation configuration, and thus, should not be construed as limiting the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 2 to 6, the present embodiment provides an automatic molding apparatus including a fixture assembly 3, a heating device 2, a heat dissipation metal block 4 and a heat dissipation fan 5. The jig component 3 is used for fixing a product to be sealed. The heating device 2 is used for compressing and heating the edge position of the product to be sealed, and a through groove is formed in the middle of the heating device. The lower end of the heat dissipation metal block 4 extends into the through groove to be attached to the middle position of the product to be sealed. The heat dissipation fan 5 is located above the heat dissipation metal block 4, and is used for dissipating heat of the heat dissipation metal block 4.
Preferably, one end of the heat dissipation metal block 4 close to the heat dissipation fan 5 is a heat dissipation fin structure 401, so as to optimize the heat dissipation speed of the heat dissipation metal block 4.
The embodiment provides an automatic glue sealing equipment, after will waiting to seal the glue product and put on tool subassembly 3, heating device 2 compresses tightly the border position of waiting to seal the glue product and heats border position, and the lower extreme of heat dissipation metal block 4 pastes with the intermediate position of waiting to seal the glue product and takes the heat of waiting to seal the glue product intermediate position to the upper end of heat dissipation metal block 4, and this part of heat is taken away by radiator fan 5 finally to make the temperature of waiting to seal the glue product border position be higher than the temperature of intermediate position.
Optionally, the heating device 2 includes a heat conductive silica gel 201, a heat conductive plate 202 and a heating wire 203. The heat-conducting silica gel 201 is located right above the edge position of the product to be sealed. The heat conducting plate 202 is fixedly connected with the heat conducting silica gel 201. The heating wire 203 is located above the heat conducting plate 202 and is in contact connection with the heat conducting plate 202, and is used for transferring heat to the heat conducting silica gel 201 through the heat conducting plate 202.
Specifically, the heating wire 203 belongs to point heating, which is easy to generate the situation of high local temperature, and the heat conducting plate 202 is arranged between the heating wire 203 and the heat conducting silica gel 201 so as to conduct the heat emitted by the heating wire 203 through the heat conducting plate 202, so that the temperatures of all places on the heat conducting plate 202 are equal, and further the heat conducting silica gel 201 is heated uniformly. Further, the heat conductive silica gel 201 is directly contacted with the product to be sealed, so that the product to be sealed can be prevented from being damaged.
Further, the heating device 2 further includes a middle frame 204, a pressing plate 205, and an upper cover 206. The top of the middle frame 204 is provided with an upper positioning groove, and the bottom of the middle frame is provided with a lower positioning groove; the heat conducting plate 202 is fixed in the lower positioning groove. The pressing plate 205 is fixed in the upper positioning groove, and the heating wire 203 is located between the bottom of the upper positioning groove and the pressing plate 205. The upper housing 206 is fixedly connected to the top of the middle frame 204.
Specifically, the middle frame 204, the pressing plate 205, the upper cover 206, and the like are supporting structural members of the heating device 2, and realize relative fixation of the heat conducting plate 202 and the heating wires 203.
In this embodiment, the automatic glue sealing apparatus further includes a connecting assembly 6 and a driving mechanism 7 for driving the connecting assembly 6 to move up and down. The connecting assembly 6 is located above the heating device 2 and the heat dissipation metal block 4, and comprises a vertical plate 601, a horizontal plate 602 and a rib plate 603. The vertical plate 601 is connected to the drive mechanism 7. The transverse plate 602 is fixedly connected with the vertical plate 601, and a ventilation hole 6021 is arranged at the position corresponding to the heat dissipation metal block 4. The rib plate 603 is located above the transverse plate 602, a mounting groove is formed in the middle of the rib plate, the heat dissipation fan 5 is fixed in the mounting groove, and the heat dissipation metal block 4 is dissipated through the vent hole 6021.
It can be understood that the connecting component 6 can realize the relative fixation between the heating device 2 and the heat dissipation fan 5, and when the jig component 3 needs to be put with the product to be sealed, the driving mechanism 7 drives the connecting component 6 to move upwards to provide sufficient operating space. When a product to be sealed is required to be heated, the driving mechanism 7 drives the connecting assembly 6 to move downwards, so that the heating device 2 and the heat dissipation metal block 4 are attached to the product to be sealed.
Further, the connecting assembly 6 further includes a first guide post 604, a first buffer spring 605, a second guide post 606 and a second buffer spring 607. The lower end of the first guide post 604 is fixedly connected to the heating device 2, and the upper end is connected to the transverse plate 602 in a vertically sliding manner. The first buffer spring 605 is sleeved outside the first guide post 604 and used for driving the heating device 2 to slide downward relative to the horizontal plate 602. The upper end of the second guide post 606 is fixedly connected to the transverse plate 602, and the lower end is connected to the heat dissipation metal block 4 in a vertically sliding manner. The second buffer spring 607 is sleeved outside the second guide post 606 and is used for driving the heat dissipation metal block 4 to slide downward relative to the transverse plate 602.
In the process of downward movement of the heating device 2, the downward movement is stopped after the heat dissipation metal block 4 is attached to the product to be sealed, and the heating device 2 and the connecting assembly 6 continue to move downward and extrude the second buffer spring 607; when the heat-conducting silica gel 201 contacts the product to be sealed, the heating device 2 stops moving downward, and the connecting component 6 continues moving downward and extrudes the first buffer spring 605 until the heating device 2 is pressed against the product to be sealed by the first buffer spring 605. In this process, the first buffer spring 605 can make the heat conductive silicone rubber 201 press the edge position of the product to be sealed, and the second buffer spring 607 can make the heat dissipation metal block 4 press the middle position of the product to be sealed.
Optionally, the driving mechanism 7 includes a cylinder 701, a fixing plate 702, and a sliding plate 703. The housing of the cylinder 701 is fixedly connected with the fixing plate 702. The sliding plate 703 is driven by the driving end of the cylinder 701 to be connected with the fixing plate 702 in a vertical sliding manner.
In this embodiment, when the driving end of the cylinder 701 extends, the sliding plate 703 slides downward, and when the driving end of the cylinder 701 retracts, the sliding plate 703 slides upward. Of course, in some other embodiments, the sliding plate 703 may be driven to slide up and down by a motor, a screw rod, or the like.
A sliding limiting assembly is arranged between the sliding plate 703 and the connecting assembly 6, and the sliding limiting assembly comprises a first guide rail 801, a first sliding block 802 and a first limiting block 803. The first guide rail 801 is fixed to the lower end of the sliding plate 703 in the vertical direction. One side of the first sliding block 802 is fixedly connected with the connecting component 6, and the other side is connected with the first guide rail 801 in a sliding manner. The first stopper 803 is fixed below the first slider 802, and is configured to block the first slider 802 from sliding downward.
Further, the automatic glue sealing equipment further comprises a pressure maintaining assembly, wherein the pressure maintaining assembly comprises a balancing weight 901, a second guide rail 902, a second sliding block 903 and a second limiting block 904. The weight block 901 is located above the connecting assembly 6, and is used for pressing the connecting assembly 6 downwards. The second guide rail 902 is fixed to the upper end of the sliding plate 703 in the vertical direction. One side of the second slider 903 is fixedly connected with the counterweight block 901, and the other side is connected with the second guide rail 902 in a sliding manner. The second limiting block 904 is fixed below the second slider 903 and is used for blocking the second slider 903 from sliding downwards continuously.
It should be noted that, when a product to be sealed is required to be put into the jig assembly 3, the driving mechanism 7 drives the sliding plate 703 to move upward, under the action of gravity, the connecting assembly 6 slides downward to be blocked by the first limiting block 803, the counterweight 901 slides downward to be blocked by the second limiting block 904, at this time, the counterweight 901 is not in contact with the connecting assembly 6, that is, the counterweight 901 does not apply pressure to the connecting assembly 6. When a product to be sealed is required to be heated, the driving mechanism 7 drives the sliding plate 703 to move downwards, and after the heat dissipation metal block 4 and the heat conduction silica gel 201 tightly press the product to be sealed, the connecting assembly 6 stops moving downwards continuously; the counterweight block 901 continues to move downwards under the action of gravity until the counterweight block is attached to the rib plate 603 of the connecting assembly 6, the sliding plate 703 continues to move downwards, the second limiting block 904 no longer provides upward supporting force for the counterweight block 901, and the counterweight block 901 can apply constant pressure to the connecting assembly 6 because the weight of the counterweight block 901 is unchanged, so that a product to be sealed is bonded under the action of constant pressure.
It will be appreciated that changing weights 901 of different weights can apply different pressures to the connecting assembly 6.
The automatic glue sealing equipment provided by the embodiment has the following working process:
firstly, the driving end of the air cylinder 701 retracts, and the heating device 2 and the balancing weight 901 move upwards;
secondly, putting a product to be sealed into the product groove 301 of the jig component 3;
the air cylinder 701 drives the sliding plate 703 to slide downwards, the balancing weight 901 applies downward pressure to the connecting assembly 6, firstly, the second buffer spring 607 tightly presses the heat dissipation metal block 4 at the middle position of the product to be sealed, and then, the first buffer spring 605 tightly presses the heat conduction silica gel 201 at the edge position of the product to be sealed;
starting the electric heating wire 203 to heat, and simultaneously starting the cooling fan 5 to cool the cooling metal block 4;
and fifthly, after a certain time, sealing the glue, retracting the driving end of the cylinder 701, and taking out the product after sealing the glue.
The automatic glue sealing equipment that this embodiment provided can carry out the accurate control of differentiation to the temperature of heating region, through setting up the ventilation cooling structure who optimizes, when satisfying border position glue active temperature, does not cause the influence to the operation of other spare parts of intermediate position, guarantees product quality's stability.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides an automatic change and glue equipment of sealing which characterized in that includes:
the jig assembly is used for fixing a product to be sealed;
the heating device is used for compressing and heating the edge position of the product to be sealed, and a through groove is formed in the middle of the heating device;
the lower end of the heat dissipation metal block extends into the through groove to be attached to the middle position of the product to be sealed;
and the heat radiation fan is positioned above the heat radiation metal block and used for radiating the heat radiation metal block.
2. The automated sealing apparatus of claim 1, wherein the heating device comprises:
the heat-conducting silica gel is positioned right above the edge position of the product to be sealed;
the heat conducting plate is fixedly connected with the heat conducting silica gel;
the heating wire, the heating wire is located the top of heat-conducting plate and with the heat-conducting plate contact is connected, is used for through the heat-conducting plate to heat conduction silica gel transfer heat.
3. The automated sealing apparatus of claim 2, wherein the heating device further comprises:
the top of the middle frame is provided with an upper positioning groove, and the bottom of the middle frame is provided with a lower positioning groove; the heat conducting plate is fixed in the lower positioning groove;
the pressing plate is fixed in the upper positioning groove, and the electric heating wire is positioned between the bottom of the upper positioning groove and the pressing plate;
and the upper cover is fixedly connected to the top of the middle frame.
4. The automated glue sealing apparatus of claim 1, further comprising a connection assembly and a drive mechanism for driving the connection assembly to move up and down; the coupling assembling is located heating device and heat dissipation metal block's top, it includes:
the vertical plate is connected with the driving mechanism;
the transverse plate is fixedly connected with the vertical plate, and a ventilation hole is formed in the position, corresponding to the heat dissipation metal block, of the transverse plate;
the rib plate is located above the transverse plate, a mounting groove is formed in the middle of the rib plate, the cooling fan is fixed in the mounting groove, and the cooling metal block is cooled through the ventilation hole.
5. The automated molding apparatus of claim 4, wherein the connection assembly further comprises:
the lower end of the first guide pillar is fixedly connected with the heating device, and the upper end of the first guide pillar is connected with the transverse plate in a vertical sliding manner;
the first buffer spring is sleeved outside the first guide pillar and used for driving the heating device to slide downwards relative to the transverse plate.
6. The automated molding apparatus of claim 5, wherein the connection assembly further comprises:
the upper end of the second guide pillar is fixedly connected with the transverse plate, and the lower end of the second guide pillar is connected with the heat dissipation metal block in a vertical sliding mode;
and the second buffer spring is sleeved outside the second guide pillar and used for driving the heat dissipation metal block to slide downwards relative to the transverse plate.
7. The automated sealing apparatus of claim 4, wherein the drive mechanism comprises:
a cylinder;
the shell of the cylinder is fixedly connected with the fixed plate;
and the sliding plate is driven by the driving end of the air cylinder to be in up-and-down sliding connection with the fixing plate.
8. The automated glue sealing apparatus of claim 7, wherein a slide limiting assembly is disposed between the slide plate and the connection assembly, the slide limiting assembly comprising:
the first guide rail is fixed at the lower end of the sliding plate along the vertical direction;
one side of the first sliding block is fixedly connected with the connecting component, and the other side of the first sliding block is connected with the first guide rail in a sliding manner;
the first limiting block is fixed below the first sliding block and used for blocking the first sliding block to continuously slide downwards.
9. The automated molding apparatus of claim 7, further comprising a pressure maintaining assembly, the pressure maintaining assembly comprising:
the counterweight block is positioned above the connecting component and is used for pressing the connecting component downwards;
the second guide rail is fixed at the upper end of the sliding plate along the vertical direction;
one side of the second sliding block is fixedly connected with the balancing weight, and the other side of the second sliding block is connected with the second guide rail in a sliding manner;
and the second limiting block is fixed below the second sliding block and used for blocking the second sliding block from continuously sliding downwards.
10. The automated sealing apparatus of claim 1, wherein an end of the heat sink metal block adjacent to the heat sink fan is a heat sink fin structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686922.3U CN212550324U (en) | 2020-04-29 | 2020-04-29 | Automatic glue sealing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686922.3U CN212550324U (en) | 2020-04-29 | 2020-04-29 | Automatic glue sealing equipment |
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| Publication Number | Publication Date |
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| CN212550324U true CN212550324U (en) | 2021-02-19 |
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| CN202020686922.3U Active CN212550324U (en) | 2020-04-29 | 2020-04-29 | Automatic glue sealing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389684A (en) * | 2020-04-29 | 2020-07-10 | 深圳市联合东创科技有限公司 | Automatic glue sealing equipment |
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2020
- 2020-04-29 CN CN202020686922.3U patent/CN212550324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389684A (en) * | 2020-04-29 | 2020-07-10 | 深圳市联合东创科技有限公司 | Automatic glue sealing equipment |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic sealing equipment Effective date of registration: 20220117 Granted publication date: 20210219 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: SHENZHEN EAST-WIN TECHNOLOGY Co.,Ltd. Registration number: Y2022440020008 |
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Date of cancellation: 20230330 Granted publication date: 20210219 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: SHENZHEN EAST-WIN TECHNOLOGY Co.,Ltd. Registration number: Y2022440020008 |
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